7 results
Dermatomyositis (DM) and Polymyositis (PM): Pathogenesis and clinical findings
Elevated Antinuclear Antibodies: Anti-Jo-1, Anti-OJ, Anti-Mi2, Anti-SRP, Anti-EJ,
- Bimodal age distribution ... -> Heliotrope Rash ... Polymyositis #PM #Diagnosis ... Pathophysiology #Signs ... #Symptoms #Vasculitis
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... chest (in a V-sign ... Dermatomyositis #rheumatology ... #dermatology #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... mucositis - Rash ... episcleritis as well as inner ... purpura: strong sign ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Differential Diagnosis ... purpura: Strong sign ... , mucositis • Rash ... #Rheumatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Dermatological Conditions - Distribution ... associated with signs ... ; pruritis #dermatology ... #rash #differential ... #diagnosis #skin
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
DM with generalized ... to have typical DM ... (blue-purple) rash ... #management #rheumatology ... #dermatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Symptoms: • Gottron rash ... papules and Gottron sign ... ) • Shawl sign ... flexors, quadriceps, finger ... elevated < PM and DM